A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of the population prefers the color blue. If 14 buyers are randomly selected, what is the probability that exactly 9 buyers would prefer blue? Round your answer to four decimal places.
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The parameters are: n = number of trials (randomly selected buyers) = 14 k = number of successful outcomes (buyers who prefer blue) = 9 p = probability of success on a single trial (proportion of population who prefers blue) = 30% = 0.30 q = probability of failure Show more…
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